Alibaba's Silence Isn't Golden

As Alibaba Group prepares for the bright lights of Broadway, it is keeping potential investors in the dark. There is yet time to illuminate things.

The Chinese online-shopping giant is likely to release an updated regulatory filing soon in preparation for an initial public offering in New York, expected to raise more than $20 billion. A pre-IPO document released in May left gaping holes around Alibaba's business and who controls...